On this Wikipedia the language links are at the top of the page across from the article title. For other uses, see Las Tunas. Tuna, opah and mackerel sharks are the only species of fish that can maintain a body temperature higher than that of the surrounding water. Found in warm seas, the tuna is commercially fished extensively as tuna pasta salad jamie oliver food fish, and is popular as a bluewater game fish.
The cladogram is a tool for visualizing and comparing the evolutionary relationships between taxa, and is read left-to-right as if on a timeline. The following cladogram illustrates the relationship between the tunas and other tribes of the family Scombridae. The “true” tunas are those that belong to the genus Thunnus. Until recently, it was thought that there were seven Thunnus species, and that Atlantic bluefin tuna and Pacific bluefin tuna were subspecies of a single species.